/// <summary>
///
/// </summary>
/// <param name="receiverindex"></param>
/// <param name="r"></param>
public static void StartReceiver(int receiverindex, EventHubReceiver r)
{
var starttime = DateTime.Now;
bool isMessageAvailable = true;
var requestdata = new WEP.GSP.Data.RequestData();
EventHubProcessor processor = new EventHubProcessor();
do
{
try
{
var messages = r.Receive(10);
if (messages == null || messages.Count() == 0)
{
isMessageAvailable = false;
}
else
{
Task.Factory.StartNew(() => processor.EventMessageHandler(messages));
requestdata.UpdatePartitionOffset(Convert.ToString(receiverindex), messages.Last().Offset);
requests = requests + messages.Count();
}
}
catch (Exception exception)
{
Trace.TraceError("exception on receive {0}", exception.Message);
}
} while (isMessageAvailable);
requestdata.UpdateReleasePartitionLock(Convert.ToString(receiverindex));
}
protected override void OnStop()
{
eventLogger.WriteEntry("Stop working", EventLogEntryType.Information, 3);
MyThread thr3 = new MyThread();
thr3.UnRegisterEH();
var requestdata = new WEP.GSP.Data.RequestData();
requestdata.UpdateReleasePartitionLockOfInstance(System.Environment.MachineName);
}
/// <summary>
///
/// </summary>
public void CreateReceiver()
{
if (!isRunning)
{
isRunning = true;
var connectionString = Constants.GstnServiceBusEventHub;
string eventhubPath = Constants.GstnReqEventHub;
var nsm = NamespaceManager.CreateFromConnectionString(connectionString);
//var description = nsm.CreateEventHubIfNotExists(eventhubPath);
var builder = new ServiceBusConnectionStringBuilder(connectionString)
{
TransportType = TransportType.Amqp
};
var factory = MessagingFactory.CreateFromConnectionString(builder.ToString());
var client = factory.CreateEventHubClient(eventhubPath);
var group = client.GetDefaultConsumerGroup();
var requestdata = new WEP.GSP.Data.RequestData();
try
{
var receiverList = new List <EventHubReceiver>();
var availablePartition = requestdata.GetInstancePartitions(System.Environment.MachineName + ConfigurationManager.AppSettings["MachineName"].ToString());
if (availablePartition != null && availablePartition.Any())
{
foreach (var partitionno in availablePartition)
{
receiverList.Add(group.CreateReceiver(partitionno, requestdata.RetrievePartitionOffset(partitionno)));
}
;
var taskFactory = new TaskFactory();
var task = (
from r in receiverList
select taskFactory.StartNew(() =>
{
Task.Delay(TimeSpan.FromSeconds(1));
StartReceiver(Convert.ToInt32(r.PartitionId), r);
})).ToList();
Task.WaitAll(task.ToArray());
}
isRunning = false;
}
catch (Exception e)
{
isRunning = false;
Trace.TraceInformation(e.Message);
}
}
System.Threading.Thread.Sleep(60000);
CreateReceiver();
}
